Sliding-door hanger



(No Model.)

0. O. RUNYAN.

SLIDING DOOR HANGER.

Patented, Nov. 24, 1885.

WITNESSES M, rneys N. PETERS. PhMo-Uihngnphar. Washingtnn. o a

UNITED STATES PATENT OFFICE.

CHARLES O. RUNYAN, OF MANSFIELD,OHIO.

SLIDING-DOOR HANGER.

SPECIFICATION forming part of Letters Patent No. 331,258, dated November24,1885.

Application filed October 13, 1885. Serial No. 179,791. (No model.)

To all whom it may concern..-

Be it known that 1, CHARLES C. RUNYAN, of Mansfield, in .the county ofRichland and State of Ohio, have invented certain new and usefulImprovements in Sliding-Door Hangers; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it pertains tomake and use the same.

Myinvention relates to improvements in sliding door hangers; and itconsists in certain features of construction and in combination of partshereinafter described, and pointed out inthe claims.

In the accompanying drawings, Figure l is a side elevation ofadoor andhangers embodying my invention, showing the door in its closed position.Fig. 2 shows the door and hangers in position. with the door midway ofits throw; Fig. 3 shows the door open. Fig. 4 shows an adjustment of thehangers by means of which the door is elevated as it moves toward thecenter of its throw. Fig. 5 is an end view.

A represents the door, and A a metal bar that is secured in a verticalposition to the central part of the door, and to which the hangers arepivoted.

B are supporting-levers of the bell-crank variety, that are pivoted,respectively, at B to the casing B above the door. These two pivotalpoints B should be located about in vertical line with the respectiveedgesof the door when the latter is midway of its throw. (See Figs. 2and 4.)

To make-the door balance properly,the casing B should project laterallyabout half the thickness of the door, and the upper ends of the levers Bat b are offset accordingly, as shown in Fig. 5.

G are the carrying-bars that support the door and are pivoted at a tothe bar A, and are respectively pivoted at b to the levers B.

D are links that are respectively pivoted at d to the lower end of thelevers B, and are pivoted on a stud or bolt to the bar A, either at a or0. If the door is to move on astraight line,the pivotal point is a, andwhen the door is in position midway of its throw should be located so asto be approximately in line with highest part the points d. (See Fig.'2.) With" this arrangement of parts the door will move substantially ina straight'line. A hole, a, in the bar A and holes (1 in the links D aremade to fit the pivotal stud or bolt.

If it is desired to have thedoor' rise as it moves toward the center ofthe throw, the links are drawn together far enough to place the stud inthe holes (1 of the links, andin the hole a of the bar A. With thisadjustment the door will move as indicated bythe' curved dotted linesshown above and below' in Fig. 4:, while the straight dotted lines abovein this figure indicate the movement of the door when the links areadjusted as shown in Figs. 1,2, and 3. V 1 I By referring to Fig. 2 itwill be seen that in drawing the lower end of the levers B toward eachother,to place the stud inthe holes (2 and of, the pivotal points b areraised,which will of course raise the door, and also the carrying-bars Oare brought to a more acute angle with each other, which will stillfurther elevate'the door.

Now, by referring to Figs. land 3, it will be seen that the distances dd and a a being equal, the stud maybe placed in the holes d" a withoutchanging the position of the levers B, and consequently the door ateither termini would not be efi'ected by the'change of the stud andconsequent shortening of the links. We have, then, with eitheradjustment shown thedoor at its termini in the same position, but

in the one case moving in a straight line and in the other case movingin a curved line, the

throw. i

of which is at the center of the The latter adjustment is desirable whenthe and 3, when the door is at either extreme of :00

its throw it is supported by one lever, B, the supporting-pivot of suchlever being directly atany point along its route.

over the center of the door. In such position of parts the bars .0 andlinks D serve more or less in the capacity of braces and tie-rods tohold the different parts in their proper relative position; but theweight of the door is sustained by the pivot B, that is above the centerof the door, and consequently the door will stand in such positionwithout fastening.

In the central position (shown in Figs.2 and 4:) the center of gravityof the door being mid way between the pivotal points B, and the levers Bstanding at equal angles to a perpendicula'r line, the door of coursewill stand without fastening. At other points along the'route of thedoor the levers B assume, respectively,

positions at angles to a'perpendicular, greater orless inversely inproportion to the-load that the-respective leverscarry.

Asa lever Bswings farther away from the perpendicular its load decreasesjust in proportion as the other lever approaching the perpendicularassumes the load, by reason of which the door will stand withoutfastening With the adjustment shown in Fig. 4' there is a slighttendency of the door, when not directly at the center of its throw, tomove toward the nearest terminal point.

usually overcome the slight friction of the joints;but it is noticeablethat thedoormoves easier from than toward ,the center.

Acontinuous bar, A, is not essential, but is more convenient inattaching the hangers to the door. Otherwise two p]ates,representing theends of the bar A, would answerthe p lp wt i do not see that there wouldbe any call for it) in which, by lowering the stud that connects thelinks with the bar A to a point below a and lengthening the links tocorrespond, the door ward. Although I have shown this device inconnection with adoor, it is equally applicable to shutters, gates, andother similar structures. I therefore do not wish to be understood as.restricting inyinvention to doors, but claim it for all purposes towhich it is adaptable.

I will further add in the way of suggestions for making these hangers,taking the door in its central; position, as shown in Fig. 2, for

.anillustration, as follows, to wit: Make the pivotal points a d dequidistant, so that lines The down grade from the center in eitherdirection is sov slight .thatthe gravity of the door will not Anotheradjustment might be made (but I of the door I have not had time toconsider.

What I claim is 1. In sliding-door hangers,the combination, withswinging levers pivoted above the line of the door, of links pivoted tothe bottom of the levers and carrying bars pivoted to thelevers at ornear the central point of the latter, said links and bars being pivotedin pairs to the door or door attachment on-the central vertical line ofthe door, substantially as set forth;

2. In sliding-doorhangers,thecombination, with swinging levers pivotedabove the line of the door and offset near the top endof the same tobalance the door, of the carrying-bars C and links D, the said linksandbars being pivoted to the levers andto the door, substan-- tially as setforth. I r

3. In slidi'ng-doorhangers, the cornbination,=

with swinging levers pivoted above theline of with the leversB,carrying-bars O,and links D, the parts being arranged substantially asdescribed, of devices, substantially as indicated, for adjusting thesaid links, by means of which the door may be made to move in "astraight or in a ,curved line.

5. Insliding-door hangers, thecornbination,

with swinging levers of the bell-crank variety pivoted above thelineofthe door and arranged in reverse order, of the bars 0 and linksD,

the parts being arranged andoperated substantially as set forth.

In testimony whereof I sign-this specification, in the presence of twowitnesses, this 3d day of October, 1885. Y

- CHARLES C. RUNYAN:

Witnesses:

J. SQFARMER, W. W. SMITH.-

